CNS vasc

Question 1

vertebral arteries (R and L)

Answer 1

ascend through the transverse foramina of the cervical vertebra and enter the cranial cavity via the foramen magnum.

Question 2

internal carotid arteries

Answer 2

ascend through the neck to the base of the skull and enter the cranial cavity through the carotid canal.

Question 3

The vertebral arteries contribute to the ——-

circulation

Answer 3

The vertebral arteries contribute to the posterior circulation

Question 4

Vertebral arteries

Answer 4

, ascend through the transverse foramina of the cervical vertebra and enter the cranial cavity via the foramen magnum.

Question 5

pontomedullary junction,

Answer 5

the right and left vertebral arteries unite to form the basilar artery.

Question 6

The anterior and posterior spinal arteries

Answer 6

arise from the vertebral arteries

Question 7

supply the spinal cord

Answer 7

anterior and posterior spinal arteries

Question 8

travel midline spinal cord (

Answer 8

Anterior Spinal Artery

Question 9

travel just posterior to the dorsal horn of the spinal cord (bilateral)

Answer 9

Posterior Spinal Arteries

Question 10

spinal arteries braches from the vertebral artery provide

Answer 10

sufficient blood supply to the upper cervical spinal cord levels only.

Question 11

one anterior and two posterior spinal arteries extend —–to supply the spinal cord

Answer 11

one anterior and two posterior spinal arteries extend caudally to supply the spinal cord

Question 12

radicular arteries.

Answer 12

reinforce anterior and posterior spinal arteries

Question 13

radicular arteries

Answer 13

branches off of the posterior intercostal arteries.

Question 14

radicular artery at ~T12 spinal cord level

Answer 14

called the great radicular artery

may provide the entire arterial supply for the lumbosacral spinal cord.

Question 15

vertigo and ipsilateral deafness

Answer 15

occlusion of internal auditory or labyrinthine artery

Question 16

basilar artery terminates by bifurcating

Answer 16

into the two posterior cerebral arteries

Question 17

which of the following isnt a branch of the basilar art

Anterior inferior cerebellar artery

pontine arteries

Superior cerebellar artery

internal auditory or labyrinthine artery

Posterior inferior cerebellar artery

Answer 17

t Posterior inferior cerebellar artery

Question 18

anterior spinal artery, vertebral artery, PICA supply

Answer 18

Caudal medulla

Question 19

posterior spinal artery

Answer 19

Caudal medulla :

Question 20

pons is mainly supplied by branches of the —–

artery

Answer 20

pons is mainly supplied by branches of the basilar artery

Question 21

caudal pontine

Answer 21

anterior inferior cerebellar artery and

basilar artery

Question 22

rostral pontine levels

Answer 22

basilar artery and superior cerebellar artery

Question 23

Most of the midbrain is supplied by the —— —– —- and their branches

Answer 23

Most of the midbrain is supplied by the posterior cerebral arteries and their branches

Question 24

Blood supply to the most dorsal aspect of the midbrain arises from the ——- ——- ——-

Answer 24

Blood supply to the most dorsal aspect of the midbrain arises from the superior cerebellar artery.

Question 25

Supplies the occipital lobe and medial and inferior surface of the temporal lobe

Answer 25

Posterior cerebral artery (PCA) territory

Question 26

lesion to post column

Answer 26

vibration and position sense

Question 27

lesion to anterolateral pathways

Answer 27

pain and temp sense

motor loss

Question 28

ischemia in the territory of the vertebral artery and/or PICA.

Answer 28

Wallenberg’s syndrome

Question 29

lateral medullary syndrome

Answer 29

Wallenberg’ s Syndrome

Question 30

spinal trigeminal nucleus and tract of wallensurg syndrome

Answer 30

contralat body dec. pain and temp sense

Question 31

Spinothalamic tract of wallenburg syndrome

Answer 31

contralat body dec pain and temp sense

Question 32

hoarsenss and dysphagia

Answer 32

nucleus ambiguous of wallenburg syndrome

Question 33

ipsilateral dec taste

Answer 33

nucleus solitary of Wallenburg syndrome

Question 34

descending symp. fibers of wallenburg syndrome

Answer 34

ipsilateral horners syndrome

Question 35

inf cerebral peduncle, vestibular nuceli

Answer 35

ips ataxia, vertigo, nausea, nystagmus

Question 36

bilateral ventral pons ischemia

Answer 36

Locked-in Syndrome

Question 37

narrowing of basilar artery

Answer 37

Wallenburg syndrome

Question 38

he/she is only capable of eye movements.

Answer 38

Locked-in Syndrome

Question 39

pontomesencephalic reticular formation

Answer 39

spared in Locked-in Syndrome

Question 40

Locked-in Syndrome

Answer 40

consciousness is spared.

Question 41

only capable of eye movements

Answer 41

Locked-in Syndrome

Question 42

by bilateral ventral midbrain ischemia (cerebral peduncles)

Answer 42

Locked-in Syndrome

Question 43

secondary to lack of blood flow in the rostral basilar artery

Answer 43

Locked-in Syndrome

Question 44

The “Circle of Willis” connects the —– and —–

arterial cerebral circulation

Answer 44

The “Circle of Willis” connects the anterior and posterior arterial cerebral circulation

Question 45

©Both ICAs terminate by giving rise to

Answer 45

a middle cerebral artery (MCA) and anterior cerebral artery (ACA).